Finding the Fourth Proportional to 71,021.82, 106,580.25 and 29,468.82
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Solution
The fourth proportional to 71,021.82, 106,580.25 and 29,468.82 is: 44,222.95
Step by Step Solution
- Step 1: Write the proportion equation
71,021.82 : 106,580.25 = 29,468.82 : x - Step 2: Convert to fraction form
71,021.82/106,580.25 = 29,468.82/x - Step 3: Cross multiply
71,021.82x = 106,580.25 × 29,468.82 - Step 4: Simplify right side
71,021.82x = 3,140,794,202.81 - Step 5: Solve for x
x = 3,140,794,202.81/71,021.82 - Step 6: Final answer
x = 44,222.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.